/*
 * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
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 *
 *
 *
 */

package com.sun.java.swing.plaf.windows;

import java.awt.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.basic.*;
import javax.swing.plaf.ComponentUI;

import static com.sun.java.swing.plaf.windows.TMSchema.*;
import static com.sun.java.swing.plaf.windows.XPStyle.Skin;

/**
 * Windows rendition of the component.
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases.  The current serialization support is appropriate
 * for short term storage or RMI between applications running the same
 * version of Swing.  A future release of Swing will provide support for
 * long term persistence.
 */
public class WindowsInternalFrameUI extends BasicInternalFrameUI {

  XPStyle xp = XPStyle.getXP();

  public void installDefaults() {
    super.installDefaults();

    if (xp != null) {
      frame.setBorder(new XPBorder());
    } else {
      frame.setBorder(UIManager.getBorder("InternalFrame.border"));
    }
  }

  public void installUI(JComponent c) {
    super.installUI(c);

    LookAndFeel.installProperty(c, "opaque",
        xp == null ? Boolean.TRUE : Boolean.FALSE);
  }

  public void uninstallDefaults() {
    frame.setBorder(null);
    super.uninstallDefaults();
  }

  public static ComponentUI createUI(JComponent b) {
    return new WindowsInternalFrameUI((JInternalFrame) b);
  }

  public WindowsInternalFrameUI(JInternalFrame w) {
    super(w);
  }

  protected DesktopManager createDesktopManager() {
    return new WindowsDesktopManager();
  }

  protected JComponent createNorthPane(JInternalFrame w) {
    titlePane = new WindowsInternalFrameTitlePane(w);
    return titlePane;
  }

  private class XPBorder extends AbstractBorder {

    private Skin leftSkin = xp.getSkin(frame, Part.WP_FRAMELEFT);
    private Skin rightSkin = xp.getSkin(frame, Part.WP_FRAMERIGHT);
    private Skin bottomSkin = xp.getSkin(frame, Part.WP_FRAMEBOTTOM);

    /**
     * @param x the x position of the painted border
     * @param y the y position of the painted border
     * @param width the width of the painted border
     * @param height the height of the painted border
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
      State state = ((JInternalFrame) c).isSelected() ? State.ACTIVE : State.INACTIVE;
      int topBorderHeight = (titlePane != null) ? titlePane.getSize().height : 0;

      bottomSkin.paintSkin(g, 0, height - bottomSkin.getHeight(),
          width, bottomSkin.getHeight(),
          state);

      leftSkin.paintSkin(g, 0, topBorderHeight - 1,
          leftSkin.getWidth(), height - topBorderHeight - bottomSkin.getHeight() + 2,
          state);

      rightSkin.paintSkin(g, width - rightSkin.getWidth(), topBorderHeight - 1,
          rightSkin.getWidth(), height - topBorderHeight - bottomSkin.getHeight() + 2,
          state);

    }

    public Insets getBorderInsets(Component c, Insets insets) {
      insets.top = 4;
      insets.left = leftSkin.getWidth();
      insets.right = rightSkin.getWidth();
      insets.bottom = bottomSkin.getHeight();

      return insets;
    }

    public boolean isBorderOpaque() {
      return true;
    }
  }

}
